Across
1
Part of a line with two endpoints
4
Split into equal parts
5
Math using letters for unknown values
7
Divisible by two
10
Parts per hundred
11
Exact correspondence on both sides
12
Steepness of a line
Down
1
Collection of distinct elements
2
Single numeral from 0 to 9
3
Number less than zero
6
Mathematical rule or equation
8
Reference line in a graph
9
Power to which a number is raised
11
Result of addition